Sid The Science Kid"Discovering Darkness"
On an early morning, Sid wakes up while it's still dark outside. Sid and his friends investigate and observe what happens when a light source is completely blocked--creating darkness. It turns out everything stays the same in the dark, because darkness is just the absence of light. D

10:30 am

WordWorld"Snug As A Bug/Nightlight"
Snug as a Bug: Frog helps insomniac Bug figure out the end of the rhyme "snug as a bug in a ." so that Bug can sleep. Nightlight: The rest of Word World is trying to sleep, but Bear is keeping everyone awake with her all-night racket. D

11:00 am

Caillou"All in a Day"
Caillou does a lot in a day, and today he wants to dress himself, only his Mommy is doing the laundry and he doesn't have any clean clothes, so Daddy and Caillou decide to play a dressing game with Daddy's old clothes. While preparing a picnic lunch with Mom, Caillou tests a bit too much of everything. He has no room left to eat the special sandwich Clementine made for him. D

11:30 am

Barney & Friends"Bop 'til You Drop and the Sleepless Sleepover"
Bop 'til You Drop: The park is especially full of kids today, but all of them are busy playing. Baby Bop can't find anyone to play what she wants to play. When the others notice she is sad, they tell her they will play whatever she suggests. D

12:00 pm

Cat in the Hat Knows A Lot About That!"You Should Be Dancing/Batty for Bats"
You Should Be Dancing - Nick and Sally are planning to put on a show for their moms, but they can't finish their dance without falling down! The Cat in the Hat takes them to meet one of the best dancers in the world, Tango a bird of paradise! With a few costume changes and a little practice, Nick and Sally are finally able to show their moms their new dance! Batty for Bats - Sally and Nick are playing a game of blindfolded freeze tag but they can't seem to find each other! Luckily the Cat has a friend who is always able to find his way in the dark. He takes them to meet Zapita, a bat who teaches the kids about echolocation. Now that Nick and Sally know how to listen to find their way, freeze tag has become a lot more fun!. D

12:30 pm

Zoboomafoo"Jumpers"
From kangaroos to frogs, the "jumpers" of the wild are given free reign at Animal Junction. As these animals display their jumping prowess, the resident "jumper," Zoboomafoo watches the Kratt brothers try and compete with these great animals.G

1:00 pm

Curious George"Hamster Cam/The Great Monkey Detective"
Hamster Cam - Steve's pet hamster, Hogie, is on the loose in the city streets with nothing but a small video camera tied to his back. George helps Steve track his whereabouts using clues from the hamster cam and his best monkeyish map-reading skills. But can a monkey with a map keep up with a hamster on the run? The Great Monkey Detective - It's mystery movie night at Chef Pisghetti's restaurant. D

1:30 pm

Martha Speaks"Itchy Martha/Martha and the Thief of Hearts"
Itchy Martha - Martha can't keep her paws away from her itchy ear mites. Martha and the Thief of Hearts - The gang decides to make homemade valentines for each other.G

2:00 pm

The Electric Company"Tip It Or Dip It"
Marcus and Manny are this week's contestants on a game show called "Tip It or Dip It." Show host Rob Robson, played by comedian Sherrod Small, introduces this week's surprise guest host and it's Francine! Will Manny's cheating prevent Marcus from winning?. D

2:30 pm

WordGirl"Captain Tangent/Chuck and Brent Ride Again"
Captain Tangent - When Becky and her family go out to dinner at Blackbeard's Buffet, they encounter a new villain, Captain Tangent - a teenage pirate with a magnetic hook and talking parrot. It's up to WordGirl to stop him from stealing her mom's trophy and all the coins (a.k. D

3:00 pm

Wild Kratts"Mystery of the Squirmy Wormy"
Aviva miniaturizes Chris and Martin for an underground mission with earthworms, in search of the answer to the mystery "Why do worms come above ground when it rains?" But they have to hurry, as they soon discover that life as a worm is full of dangers at every turn. Science Concept: Wet objects can be changed by heating and cooling. If a worm is left in the hot sun, their skin will dry up and they will die. D

3:30 pm

Cyberchase"On The Line"
When Digit heads off alone to dispose of the powerful Network Interface Card (NIC), calamity strikes. A sinister cyvulture steals the NIC right out from under Digit's beak and gives it to Hacker! At a secret location on the Northern Frontier, Hacker uses the NIC to power up his dastardly Transformatron and transforms himself so he can slip into Control Central and replace Motherboard. To find the Transformatron and reverse its power, the CyberSquad must discover how an object can be pinpointed using two straight lines - before Hacker takes over Cyberspace forever!. D

4:00 pm

Fetch! With Ruff Ruffman"Ruff Fetches The Fetchers"
Season Five is about to start but Ruff has been so busy trying to find his long-lost parents, he's forgotten to choose his Season 5 FETCHers! In this casting special, viewers get a behind-the-scenes look at how Ruff goes about picking his contestants. Unfortunately, shortly after selecting his intrepid kids, Ruff loses them on the way to Studio G!. D

4:30 pm

Arthur"The Chronicles of Buster/On This Spot"
The Chronicles of Buster - Buster is obsessed with the extended DVD version of the epic film "The Chronicles of Ahmayzzia," with 1001 hours of behind-the-scenes footage! In fact, he's so engrossed that he neglects his training for a class rock-climbing trip. After jeopardizing his relationship with best friend and climbing partner, Arthur, Buster finally learns that special effects can't take the place of hard work when conquering real mountains. On this Spot - Arthur is thrilled to learn that Sitting Bull once passed through Elwood City! He rallies the residents to mark the spot of the legend's visit with a monument - but is dismayed when his friends care more about celebrity sightings than local history. D

5:00 pm

WordWorld"Snug As A Bug/Nightlight"
Snug as a Bug: Frog helps insomniac Bug figure out the end of the rhyme "snug as a bug in a ." so that Bug can sleep. Nightlight: The rest of Word World is trying to sleep, but Bear is keeping everyone awake with her all-night racket. D

5:30 pm

Nightly Business Report
Justices at the highest court in the land have begun arguments on the president's health care reform act. Washington Bureau Chief Darren Gersh has details on the historic debate. How new rules for health care reform will change the industry. D

Antiques Roadshow"El Paso, TX - Hour One"
Host Mark L. Walberg and appraiser John Buxton head to the Centennial Museum to check out pre-Columbian pottery from the Casas Grandes culture. Highlights include Andy Warhol's 1966 artist's proof of a print of Jacqueline Kennedy, and a 1937 first edition copy of The Hobbit, with original dust jacket. Part 1 of 3G

8:00 pm

Antiques Roadshow"Bismarck, Nd - Hour Two"
Appraisers give high marks to the array of objects brought in, including a painting of a Northern Pacific Railroad train that once may have graced a Fargo railroad station; a valuable Civil War photo collection of members of John Hunt Morgan's Cavalry; and a collection of University of North Dakota pottery, valued up to $7,500. Part 2 of 3.G

9:00 pm

Globe Trekker"South Atlantic"
Zay follows in the footsteps of explorers, adventurers and naturalists from the Falkland Islands to the Antarctic Peninsula.G

10:00 pm

Inside Fenway Park: An Icon at 100
This documentary celebrates the centennial of the oldest (and smallest) ballpark in America. Using a Red Sox-Yankees game as a backdrop, the film tells the story of Fenway's long history as a venue for sports and as a public space such as a 1918 Irish Republican rally, FDR's last presidential campaign speech, and concerts by Bruce Springsteen.G